Finding the Fourth Proportional to 82,743.90, 124,167.15 and 43,329.30

Step by Step Solution

1. Step 1: Write the proportion equation
   82,743.90 : 124,167.15 = 43,329.30 : x
2. Step 2: Convert to fraction form
   82,743.90/124,167.15 = 43,329.30/x
3. Step 3: Cross multiply
   82,743.90x = 124,167.15 × 43,329.30
4. Step 4: Simplify right side
   82,743.90x = 5,380,075,692.50
5. Step 5: Solve for x
   x = 5,380,075,692.50/82,743.90
6. Step 6: Final answer
   x = 65,020.81